WATERAX
MARK-3 Owner's Manual
03/2016
– Page 17 of 52
SERVICE
This section includes instructions for overhaul and maintenance requiring disassembly of
the 185cc engine and 4-stage pump end model 12-16S.
Note: It is recommended that all fasteners be replaced with genuine
WATERAX
parts.
Carburetor
Parts breakdown
ID
ITEM NO
DESCRIPTION
QTY
ID
ITEM NO
DESCRIPTION
QTY
- 800152
R-1115 CARBURETOR
-
22
800163*†
R-1009 DIAPHRAGM "SB"
1
1
600540*†
R-1113N GASKET CARBURETOR
1
23
301316
R-1010 DIAPHRAGM COVER
1
2 --
R-1041 MACHINE SCREW WITH
LOCK WASHER
2
24
800162*†
R-1011 FUEL PUMP GASKET
1
3 --
R-1045 BODY
1
25
800164*†
R-1012 FUEL PUMP DIAPHRAGM
1
4 --
R-1040 THROTTLE SHUTTER
1
26
301317
R-1013 ALUMINUM FUEL PUMP BODY
1
5 301314
R-1035 BRASS AND STEEL
THROTTLE SHAFT AND LEVER
1
27
800155†
R-1015 FUEL STRAINER SCREEN
1
6 301327
R-1039 STEEL THROTTLE SHAFT
RETURN SPRING
1
28
800159*†
R-1016 FUEL STRAINER COVER
GASKET
1
7 301325
R-1036 THROTTLE SHAFT CLIP
1
29
301318
R-1017 FUEL STRAINER COVER
1
8 301326
R-1037 LOCK WASHER
1/4 OD X .15 ID
1
30
301319
R-1018 PLATED STEEL MACHINE
SCREW
ROUND SLOTTED
1
9 --
R-1038 MACHINE SCREW
1
31
--
R-1014 MACHINED SCREW WITH
LOCK WASHER
6
10 800550
R-1111 BOLT
1
32
301266
R-1025NA INLET CONTROL
LEVER FULCRUM PIN
1
11 --
THROTTLE LINK LEVER
1
33
800156†
R-1029 INLET TENSION SPRING
1
12 --
R-1110 NUT
1
34
800153*†
R-1046N INLET NEEDLE, SEAT
AND GASKET
1
13 301315
R-1005 BRASS CHOKE SHUTTER
1
35
301333
R-1026 INLET CONTROL LEVER
PINION SCREW
1
14 --
R-1002 CHOKE FRICTION PIN
1
36
800158†
R-1022 MIXTURE SCREW O-RING
2
15 301334
R-1003 PLATED STEEL SPRING FOR
CHOKE FRICTION
1
37
301335
R-1021 SS STEEL FLAT WASHER
1/4"OD X 3/16"ID
2
16 301331
R-1047 BRONZE INLET SEAT GASKET
1
38
301321
R-1020 STAINLESS STEEL
MIXTURE SCREW SPRING
2
17 301322
R-1004 CHOKE SHAFT AND LEVER
1
39
301324
R-1019 PLATED STEEL LOW SPEED
MIXTURE SCREW
1
18
800160*†
R-1001 BODY CHANNEL WELCH PLUG
1
40
301323
R-1030 PLATED STEEL HIGH
SPEED MIXTURE SCREW
1
19
800154†
R-1034 NOZZLE CHECK VALVE
1
41
--
R-1024 IDLE SPEED SCREW SPRING
1
20
800157*†
R-1025N INLET CONTROL LEVER
1
42
--
R-1023 IDLE SPEED SCREW
1
21
800161*†
R-1008 DIAPHRAGM GASKET
1
-
301330*
R-1046N-L LONG NEEDLE, SEAT
AND GASKET
-
* Included in R-1050 MARK-3 Carburetor Repair Kit (600178)
† Included in R
-1049A Carburetor Repair Kit (600162)
